The best ways to Celebrate Pi Day 2017

π is 3.14 (or thereabouts), so that makes March 14 Pi Day

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It’s that time of year again: Pi Day!

Pi enthusiasts around the world wait each year for March 14 to celebrate the mathematical constant π that represents the ratio of a circle’s circumference to its diameter. Check out our tried and true tips for celebrating Pi Day, and be sure to check out our past year’s coverage for even more ideas.

ALSO: Happy Pi Day! MIT to break admissions news at exactly 3/14/15/9:26

10 ways to celebrate Pi Day

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Network World

Tune in to Network World’s Facebook page or YouTube Live Channel to watch a Pi Day Challenge

Network World is holding its first ever Pi Day Challenge on March 14, 2017. Tune into the Network World Facebook Page or the Network World YouTube Channel to watch Senior Editor Brandon Butler and Multimedia Content Editor Keith Shaw compete to recite the most correct digits of Pi. The winner gets to pie the loser in the face. It’s a Pi Day showdown, so don’t miss it! 

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Network World

Check out the origins of Pi Day

In our video explainer, find out exactly what Pi Day is and where the holiday came from. 

Pi Day

Find your birthday in Pi

This website allows you to search the digits of Pi for strings of numbers, such as your birthday. Mine starts at the 6,308th digit of Pi!


Download an app to help you memorize Pi

To really be a Pi-fanatic you need to know your digits. Thankfully, there are a variety of mobile apps to help you memorize as many digits of Pi that you’d like. For example, there’s “Learn Pi Free” for iOS and “Pi-morizer” for Android.

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Convert your world into a Pi World

WikiHow suggests converting your world into a Pi Life. You’re not 40 years old, you’re 12.73 Pis old.

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Set your clocks

 If you’re celebrating Pi Day, make sure to do it right and set your clocks to 1:59 on 3/14. (Get it, 3.14159?) It’s considered the moment of Zen for Pi enthusiasts.

Pi Day

Lose yourself in the digits

Once you’ve memorized Pi, you can lose yourself in the digits, thanks to this Eminem spin on Pi.

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Show off your Pi clothing

There are a variety of clothing pieces and accessories you can wear or purchase, including sweatshirts, hats and shirts. All of these were found at the Boston Science Museum’s gift store, but there are also a variety of online sites that sell Pi related clothing.

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Cut your pizza pie with a pi cutter

Can you think of a better tool to cut pizza with than a pi cutter?

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Get Fido a Pi Day shirt

Humans don’t have to be the only ones celebrating Pi Day. Order here. Have a baby too? They can also have some Pi Day fun.

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Read up on the latest scientific research on Pi

The March 2014 issue of the American Mathematical Monthly has some Pi commentary that any die-hard Pi-lover needs to read. Mathematicians David H. Bailey and Jonathan Browein explore whether pi’s digits are statistically random. While the numbers never repeat in pi, Bailey and Browein go searching for patterns. Check out the research here on JSTOR.

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Do pi-themed crossword puzzles

On March 14, 2007 the New York Times had a handful of clues that included the pi symbol in their answers to celebrate pi day, the answers to which are pictured above. has its own pi and circle-themed crossword puzzles to do here.

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Go for a run of Pi miles (or kilometers if you want to shorten it up slightly)

And afterwards, feel free to treat yourself to some pie.

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Countdown to Pi Day, the unofficial site of Pi Day enthusiasts has tools bloggers can install on their websites with a countdown clock to Pi Day.

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Can’t wait for next year’s pi day? Then don’t

Why only celebrate pi on 3/14? Folks have some up with plenty of other excuses to celebrate pi on other days of the year. July 22, for example is the closest fraction to represent pi (22/7=3.14).

Listen to some Pi music

Math and music go well together, so there are a number of pi-related music videos. Some are good, some are not so great. We liked this one, where Michael Blake uses various instruments to “play” the number pi. He’s assigned different notes to the numerals and plays the notes in the order of pi. Technically, that could be the song that never ends…

Defend Pi!

Pi lovers, take notice: On this day to celebrate pi, there are some haters out there. Some math enthusiasts have undertaken a movement to use tau instead of pi in mathematical equations. Tau equals 2 pi, which some argue is a more logical way to measure a circle. For an explanation, watch the above video. And if you do defect to Tau instead of pi, we’ll help you celebrate Tau Day too (6/28).

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